21650142273415 has 16 divisors (see below), whose sum is σ = 27368633524320. Its totient is φ = 16395877647360.

The previous prime is 21650142273401. The next prime is 21650142273427. The reversal of 21650142273415 is 51437224105612.

It is not a de Polignac number, because 21650142273415 - 2¹⁵ = 21650142240647 is a prime.

It is a super-2 number, since 2×21650142273415² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87731926 + ... + 87978355.

It is an arithmetic number, because the mean of its divisors is an integer number (1710539595270).

Almost surely, 2^{21650142273415} is an apocalyptic number.

21650142273415 is a deficient number, since it is larger than the sum of its proper divisors (5718491250905).

21650142273415 is a wasteful number, since it uses less digits than its factorization.

21650142273415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175711602.

The product of its (nonzero) digits is 403200, while the sum is 43.

The spelling of 21650142273415 in words is "twenty-one trillion, six hundred fifty billion, one hundred forty-two million, two hundred seventy-three thousand, four hundred fifteen".